Finished filter rod detecting, conveying and deviation correcting device

Abstract

The utility model provides a finished filter rod detecting, conveying and deviation correcting device. The deviation correcting device comprises a guiding mechanism, a blowing mechanism and a discharging plate. The guide mechanism comprises a side plate, a supporting frame, a pressing plate and a net plate; side plates are symmetrically arranged on a conveying belt of the finished filter rod conveyor, a gap between the two side plates sequentially forms a feeding area, a contraction area and a detection area from the feeding end to the discharging end of the conveying belt, and the width of the detection area is matched with the length of a finished filter rod; the support frame is mounted on a rack of the finished filter rod conveyor, is connected with the side plate and is used for supporting the side plate to be suspended at the top of the conveyor belt; the pressing plate is arranged in the feeding area of the side plate and used for pushing the finished filter rods downwards and laying the finished filter rods on the conveying belt. And the screen plate is arranged in the contraction area and the detection area of the side plate. And the blowing mechanism is arranged in the contraction area of the side plate and is used for blowing the finished filter rod to the middle part of the contraction area. The discharging plate is arranged at the discharging end of the conveying belt. The filter rod conveying device not only can prevent finished filter rods from being stacked or inclined, but also can convey qualified filter rods and unqualified filter rods in an isolated manner.

Description

Technical Field

[0001] The utility model relates to the technical field of finished filter rod detection, in particular to a conveying and alignment correcting device for finished filter rod detection. Background Art

[0002] The filter rod is the part in a cigarette for filtering flue gas and reducing harmful substances. After the finished filter rod is produced, it is necessary to detect the defects of the finished filter rod, and then remove the unqualified filter rods detected. One way to detect the defects of the finished filter rod is to detect the end face of the filter rod. If there are no defects, it is qualified. Traditionally, it is manually screened, with low efficiency. Nowadays, image acquisition devices are mostly used to detect the end face of the filter rod through image recognition. The finished filter rods are conveyed to the corresponding detection device by a conveyor for detection. However, during the detection process, if the filter rod is offset, the end face of the filter rod collected by the detection device will be deviated, resulting in a large error rate of the detection result and affecting the detection accuracy. Content of the Utility Model

[0003] Based on this, in view of the problem that the detection error rate of existing finished filter rod detection increases due to the offset of the filter rod, it is necessary to provide a conveying and alignment correcting device for finished filter rod detection.

[0004] To achieve the above object, the utility model adopts the following technical solutions:

[0005] The conveying and alignment correcting device for finished filter rod detection includes a guiding mechanism, a blowing mechanism and a blanking plate.

[0006] The guiding mechanism includes side plates, a support frame, a pressing plate and a mesh plate; side plates are symmetrically arranged on the conveyor belt of the finished filter rod conveyor. The gap between the two side plates forms a feeding area, a shrinking area and a detection area in sequence from the feeding end to the discharging end of the conveyor belt. The width of the detection area is adapted to the length of the finished filter rod; the support frame is installed on the frame of the finished filter rod conveyor, and the support frame is connected with the side plates to support the side plates suspended above the conveyor belt; the pressing plate is arranged in the feeding area of the side plates to push the finished filter rods down and lay them flat on the conveyor belt; the mesh plate is installed in the shrinking area and the detection area of the side plates.

[0007] The blowing mechanism is arranged in the shrinking area of the side plates to blow the finished filter rods towards the middle of the shrinking area.

[0008] The blanking plate is arranged at the discharging end of the conveyor belt to guide the discharged filter rods that pass the detection.

[0009] Further, the blowing mechanism includes an air pump, an air pipe and branch pipes; the air pump is installed on the frame of the finished filter rod conveyor; one end of the air pipe is closed, and the other end is connected with the air outlet end of the air pump. A plurality of branch pipes are communicated with the surface of the air pipe at the same horizontal plane. The other ends of the branch pipes cross the shrinking area of the side plates, and the branch pipes on the two side plates are arranged in a staggered manner.

[0010] Further, the blanking plate includes a side branch and a bottom branch; the side branch is L-shaped, one end is fixedly connected to the side plate, the other end is vertically downward and located outside the conveyor belt, and a concave hole for accommodating the end of the conveyor belt is provided at the part of the side branch located outside the conveyor belt; the bottom branch is arranged at the bottom of the two side branches and is inclined downward from inside to outside.

[0011] Further, there is a fixed gap between the bottom end of the side branch and the conveyor belt, and this fixed gap is smaller than the diameter of the finished mouthpiece rod.

[0012] Further, the support frame includes a longitudinal support plate and a transverse support plate; the longitudinal support plate is installed on the top of the frame of the finished mouthpiece rod conveyor, the length direction of the longitudinal support plate is parallel to the conveying direction of the conveyor belt, one side of the transverse support plate is connected to the inner top of the longitudinal support plate, and the other side is connected to the side plate or the blanking plate.

[0013] Further, the longitudinal distance between the transverse support plate and the conveyor belt is greater than the diameter of the finished mouthpiece rod, and the horizontal distance between the longitudinal support plate and the side plate is greater than the length of the finished mouthpiece rod.

[0014] Further, the pressing plate is arc-shaped, and the longitudinal gap between the pressing plate and the conveyor belt gradually decreases starting from the side close to the feeding end of the conveyor belt, and the side of the pressing plate close to the mesh plate bends upward.

[0015] Further, an industrial camera for photographing the end of the finished mouthpiece rod is provided outside the detection area of the side plate, and the two industrial cameras are arranged staggeredly and installed on the longitudinal support plate; a pushing member is arranged on the longitudinal support plate on the other side opposite to the industrial camera, and is used to push the unqualified finished mouthpiece rod photographed by the industrial camera out of the gap between the two side plates.

[0016] Further, the pushing member includes a pushing cylinder; the fixed end of the pushing cylinder is installed on the longitudinal support plate, and the movable end penetrates through the longitudinal support plate; a first opening is provided at the bottom of the side plate close to the pushing cylinder, and a second opening is correspondingly provided on the other symmetric side plate.

[0017] Further, the pushing member further includes a pneumatic gripper; a pneumatic gripper is slidably arranged on the side plate with the second opening, and is used to clamp the unqualified finished mouthpiece rod into the gap between the side plate and the longitudinal support plate.

[0018] Compared with the prior art, the beneficial effects of the present utility model include:

[0019] 1. The present utility model guides the finished mouthpiece rod to the detection area through the guiding mechanism, avoiding the accumulation or inclination of the finished mouthpiece rod and ensuring the normal progress of detection; in addition, the guiding mechanism divides the conveyor belt of the finished mouthpiece rod conveyor into a conveying area for qualified mouthpiece rods and a conveying area for unqualified mouthpiece rods. The same conveyor belt can convey both qualified and unqualified mouthpiece rods, isolating and conveying the qualified and unqualified mouthpiece rods, providing convenience for subsequent processes;

[0020] 2. The utility model is provided with a blowing mechanism capable of gathering the finished mouth rods towards the middle and guiding the finished mouth rods into the detection area through the contraction area. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The disclosure of the utility model will be described with reference to the accompanying drawings. It should be understood that the drawings are only for illustrative purposes and are not intended to limit the scope of protection of the utility model. In the drawings, the same reference numerals are used to refer to the same components. Among them:

[0022] Figure 1 is a three-dimensional view of the finished mouth rod detection, conveying and alignment device introduced in the utility model;

[0023] Figure 2 is based on Figure 1 Another three-dimensional view of the finished mouth rod detection, conveying and alignment device from a different perspective;

[0024] Figure 3 is based on Figure 1 Top view;

[0025] Figure 4 is based on Figure 1 Front view.

[0026] Explanation of the markings in the figure: 1. guiding mechanism; 11. side plate; 12. support frame; 121. longitudinal support plate; 122. transverse support plate; 13. pressing plate; 14. mesh plate; 2. blowing mechanism; 21. air pump; 22. air pipe; 23. branch pipe; 3. blanking plate; 31. side branch; 32. bottom branch; 4. industrial camera; 5. pushing member; 6. finished mouth rod conveyor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] It is easy to understand that according to the technical solution of the utility model, without changing the essence of the utility model, those of ordinary skill in the art can propose various structural forms and implementation methods that can be mutually replaced. Therefore, the following detailed embodiments and the accompanying drawings are only exemplary descriptions of the technical solution of the utility model, and should not be regarded as the whole of the utility model or as a limitation or restriction on the technical solution of the utility model.

[0028] Please refer to Figure 1 and Figure 2 , this embodiment introduces a finished mouth rod detection, conveying and alignment device, which mainly consists of a guiding mechanism 1, a blowing mechanism 2 and a blanking plate 3.

[0029] The guiding mechanism 1 includes side plates 11, support frames 12, pressing plates 13 and mesh plates 14. There are two side plates 11, symmetrically arranged on the conveyor belt of the finished filter rod conveyor 6. The side plates 11 include a first parallel section, a contraction section, and a second parallel section arranged in sequence. Therefore, the gaps between the two side plates 11 form a feeding area, a contraction area, and a detection area in sequence from the feeding end to the discharging end of the conveyor belt. The spacing in the feeding area is the largest, the spacing in the detection area is the smallest, and the width of the detection area is adapted to the length of the finished filter rod.

[0030] The pressing plate 13 is located in the feeding area and is integrally arc-shaped. The longitudinal gap between the pressing plate 13 and the conveyor belt gradually decreases starting from the side close to the feeding end of the conveyor belt. The side of the pressing plate 13 close to the mesh plate 14 bends upward to avoid direct contact with the finished filter rod. There is a small gap between the edge of the pressing plate 13 and the side plate 11. The pressing plate 13 is suspended above the conveyor belt through relevant support structures. The spacing between the bottom of the pressing plate 13 and the conveyor belt is adapted to the diameter of the finished filter rod. Therefore, the stacked finished filter rods can be laid flat on the conveyor belt through the pressing plate 13.

[0031] The mesh plate 14 is located in the contraction area and the detection area. The side wall of the mesh plate 14 is fixedly connected to the side plate 11. The longitudinal spacing between the mesh plate 14 and the conveyor belt is adapted to the diameter of the finished filter rod, and the filter rods are prevented from piling up again through the mesh plate 14. The support frame 12 is arranged on the frame of the finished filter rod conveyor 6, that is, outside the side plate 11. The bottom of the side plate 11 does not directly contact the conveyor belt. The side plate 11 is suspended above the conveyor belt through the support frame 12 and maintains a small gap with the conveyor belt. The support frame 12 is composed of a longitudinal support plate 121 and a transverse support plate 122. The longitudinal support plate 121 is installed on the top of the frame of the finished filter rod conveyor 6. The length direction of the longitudinal support plate 121 is parallel to the conveying direction of the conveyor belt. The two sides of the transverse support plate 122 are respectively connected to the longitudinal support plate 121 and the side plate 11. The number of the transverse support plates 122 is multiple, and is used to stably suspend the side plate 11 above the conveyor belt.

[0032] The blowing mechanism 2 is arranged in the contraction area of the side plate 11 and is used to blow the finished filter rods towards the middle of the contraction area. The blowing mechanism 2 includes an air pump 21, an air pipe 22 and branch pipes 23. Multiple branch pipes 23 are equidistantly arranged in the contraction section of the side plate 11. The branch pipes 23 are arranged at the same height. One end of the branch pipe 23 extends into the side plate 11, and the other end is located outside the side plate 11 and is connected to the air pipe 22. One end of the air pipe 22 is sealed, and the other end is connected to the air outlet end of the air pump 21. The air pump 21 is installed on the frame of the finished filter rod conveyor 6 without affecting the normal conveying of the conveyor belt. By driving the air pump 21, the contraction area formed by the side plate 11 can be blown, so that the finished filter rods on the conveyor belt move closer to the middle of the contraction area when moving to the contraction area, so as to better transition from the contraction area to the detection area.

[0033] The blanking plate 3 is located at the discharge end of the conveyor belt and is composed of a side branch 31 and a bottom branch 32. The side branch 31 is L-shaped, with one end fixedly connected to the side plate 11 and the other end vertically downward and located outside the conveyor belt. A concave hole for accommodating the end of the conveyor belt is provided at the part of the side branch 31 located outside the conveyor belt to prevent the conveyor belt from contacting the side branch 31. The bottom branch 32 is arranged at the bottom of the two side branches 31 and is inclined downward from the inside to the outside. The side branch 31 can be connected to the longitudinal support plate 121 through the transverse support plate 122 and also hangs on the surface of the conveyor belt, not directly contacting the conveyor belt, not affecting the conveying of the conveyor belt, nor causing wear to it. The blanking plate 3 matches the detection area of the side plate 11 and is used to discharge the qualified finished mouth rods in the detection area. Through the blanking plate 3, not only the qualified finished mouth rods are guided to be discharged, but also because the blanking plate 3 extends outward, the unqualified mouth rods can be separated from the qualified mouth rods. The unqualified mouth rods are discharged near the discharge end of the conveyor belt, and the qualified mouth rods are discharged at a certain distance from the discharge end of the conveyor belt. The unqualified mouth rods are between the side plate 11 and the longitudinal support plate 121, and a corresponding receiving box or conveying structure can be arranged at the discharge end of the conveyor belt to receive the unqualified mouth rods.

[0034] It should be noted that in order to ensure that the unqualified mouth rods can be located between the side plate 11 and the longitudinal support plate 121, the longitudinal distance between the transverse support plate 122 and the conveyor belt is greater than the diameter of the finished mouth rod, and the horizontal distance between the longitudinal support plate 121 and the side plate 11 is greater than the length of the finished mouth rod. In this way, the transverse support plate 122 does not affect the transmission of the unqualified mouth rods in the conveyor belt area between the longitudinal support plate 121 and the side plate 11.

[0035] In this embodiment, an industrial camera 4 is used for image acquisition. The detection area of the side plate 11 can be set as a transparent material to facilitate the shooting of the industrial camera 4, or only the shooting area of the industrial camera 4 is set as a transparent material. The number of industrial cameras 4 is at least two, which are respectively arranged outside the two side plates 11, and the two industrial cameras 4 are preferably arranged staggeredly. The two industrial cameras 4 respectively shoot the two ends of the mouth rod, and whether there are defects is judged through the existing image processing technology. If there are no defects, it is discharged from the blanking plate 3 after passing through the detection area. If there are defects, it enters the area between the side plate 11 and the longitudinal support plate 121 through the pusher 5.

[0036] A pusher 5 of an industrial camera 4 is arranged on the opposite longitudinal support plate 121. The pusher 5 is preferably a pusher cylinder. The fixed end of the pusher cylinder is installed on the longitudinal support plate 121, and the movable end penetrates through the longitudinal support plate 121. An opening one is formed at the bottom of the side plate 11 near the pusher cylinder, and a corresponding opening two is formed on the other side plate 11 symmetrically. When a defect is detected, according to the conveying speed of the conveyor belt, when the defective mouthpiece moves to the positions of the opening one and the opening two, the pusher cylinder extends, and the movable end passes through the opening one to push the defective mouthpiece towards the direction of the opening two, and then the pusher cylinder resets. In order to facilitate the defective mouthpiece to completely enter the conveyor belt between the side plate 11 and the longitudinal support plate 121 from the opening two, a pneumatic gripper (not shown in the figure) is slidably arranged on the side plate 11 with the opening two. After the end of the defective mouthpiece passes through the opening two, the pneumatic gripper clamps the mouthpiece and slides until the defective mouthpiece completely enters the conveyor belt between the side plate 11 and the longitudinal support plate 121, and then releases the defective mouthpiece. The defective mouthpiece is discharged from the discharge end through the conveyor belt.

[0037] In practical applications, the pneumatic gripper can be replaced by a negative pressure adsorption component, or other structures can be adopted, as long as it can realize clamping the defective mouthpiece onto the conveyor belt between the side plate 11 and the longitudinal support plate 121.

[0038] In this embodiment, the guiding mechanism 1 guides the finished mouthpieces to the detection area, avoiding the accumulation or inclination of the finished mouthpieces and ensuring the normal progress of detection. In addition, the guiding mechanism 1 divides the conveyor belt of the finished mouthpiece conveyor 6 into a conveying area for qualified mouthpieces and a conveying area for unqualified mouthpieces. The same conveyor belt can convey both qualified and unqualified mouthpieces, separating and conveying the qualified and unqualified mouthpieces, providing convenience for subsequent processes.

[0039] The technical scope of the present utility model is not limited to the content described above. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of the present utility model, and these deformations and modifications should all fall within the protection scope of the present utility model.

Claims

1. Finished filter rod detection, conveying and deviation correction device, characterized in that, It includes: A guiding mechanism (1), which includes side plates (11), a support frame (12), a pressing plate (13) and a mesh plate (14); side plates (11) are symmetrically arranged on the conveyor belt of the finished filter rod conveyor (6), and the gaps between the two side plates (11) form a feeding area, a shrinking area and a detection area in sequence from the feeding end to the discharging end of the conveyor belt, and the width of the detection area is adapted to the length of the finished filter rod; the support frame (12) is installed on the frame of the finished filter rod conveyor (6), and the support frame (12) is connected to the side plates (11) to support the side plates (11) suspended above the conveyor belt; the pressing plate (13) is arranged in the feeding area of the side plates (11) to push the finished filter rods down and lay them flat on the conveyor belt; the mesh plate (14) is installed in the shrinking area and the detection area of the side plates (11); A blowing mechanism (2), which is arranged in the shrinking area of the side plates (11) to blow the finished filter rods towards the middle of the shrinking area; A blanking plate (3), which is arranged at the discharging end of the conveyor belt to guide the qualified filter rods to be blanked.

2. The finished mouth bar detection, conveying and alignment correction device according to claim 1, characterized in that, The blowing mechanism (2) includes an air pump (21), an air pipe (22) and branch pipes (23); the air pump (21) is installed on the frame of the finished filter rod conveyor (6); one end of the air pipe (22) is closed, and the other end is connected to the air outlet end of the air pump (21), and a plurality of branch pipes (23) are communicated on the surface of the air pipe (22) at the same horizontal plane, and the other ends of the branch pipes (23) run across the shrinking area of the side plates (11), and the branch pipes (23) on the two side plates (11) are arranged in a staggered manner.

3. The finished filter rod detection, conveying and alignment correction device according to claim 1, characterized in that The blanking plate (3) includes a side branch (31) and a bottom branch (32); the side branch (31) is L-shaped, one end is fixedly connected to the side plate (11), the other end is vertically downward and located outside the conveyor belt, and a concave hole for accommodating the end of the conveyor belt is arranged at the part of the side branch (31) located outside the conveyor belt; the bottom branch (32) is arranged at the bottom of the two side branches (31) and is inclined downward from the inside to the outside.

4. The finished mouth rod detection, conveying and alignment correction device according to claim 1, characterized in that, There is a fixed gap between the bottom end of the side branch (31) and the conveyor belt, and this fixed gap is smaller than the diameter of the finished filter rod.

5. The finished filter rod detection, conveying and alignment correction device according to claim 1, characterized in that, The support frame (12) includes a longitudinal support plate (121) and a transverse support plate (122); the longitudinal support plate (121) is installed on the top of the frame of the finished filter rod conveyor (6), and the length direction of the longitudinal support plate (121) is parallel to the conveying direction of the conveyor belt, and one side of the transverse support plate (122) is connected to the inner top of the longitudinal support plate (121), and the other side is connected to the side plate (11) or the blanking plate (3).

6. The finished filter rod detecting, conveying and deviation correcting device according to claim 5, wherein, The longitudinal distance between the transverse support plate (122) and the conveyor belt is greater than the diameter of the finished filter rod, and the horizontal distance between the longitudinal support plate (121) and the side plate (11) is greater than the length of the finished filter rod.

7. The finished filter rod detection, conveying and deviation correction device according to claim 1, wherein, The pressing plate (13) is arc-shaped, and the longitudinal gap between the pressing plate (13) and the conveyor belt gradually decreases starting from the side close to the feeding end of the conveyor belt, and the side of the pressing plate (13) close to the mesh plate (14) bends upward.

8. The finished filter rod detecting, conveying and deviation correcting device according to claim 1, characterized in that, An industrial camera (4) for photographing the end of the finished filter rod is provided outside the detection area of the side plate (11). Two industrial cameras (4) are arranged staggeredly and installed on the longitudinal support plate (121); a pusher (5) is arranged on the longitudinal support plate (121) on the other side opposite to the industrial camera (4) for pushing the unqualified finished filter rod photographed by the industrial camera (4) out of the gap between the two side plates (11).

9. The finished filter rod detection, conveying and alignment correction device according to claim 8, characterized in that, The pusher (5) includes a pusher cylinder; the fixed end of the pusher cylinder is installed on the longitudinal support plate (121), and the movable end penetrates through the longitudinal support plate (121); a first opening is formed at the bottom of the side plate (11) near the pusher cylinder, and a second opening is correspondingly formed on the other symmetric side plate (11).

10. The finished filter rod detecting, conveying and deviation correcting device according to claim 9, wherein, The pusher (5) further includes a pneumatic gripper; a pneumatic gripper is slidably arranged on the side plate (11) having the second opening for clamping the unqualified finished filter rod into the gap between the side plate (11) and the longitudinal support plate (121).

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